Alerts & Learnings IMCA - Shore-side cane boom collides with vessel mast During shipyard lifting operations, the boom of a dock crane made contact with the vessel mast. What happened? As a result of the collision, a wind sensor and GPS sensor were dislodged and fell to deck. Additionally, a fixing clamp was later found on the main deck, approximately30m away.This was a high potential incident; both the wind sensor and the fixing clamp could have struck a person, potentially causing serious injury or even fatality. To view this IMCA alert in full, click the 'Download Alert' button above. Download Alert Share: Share on Linkedin Share on Facebook Share on Twitter Share with Email